Physical And Chemical Data Of Chlorine - Grundfos Vaccuperm VGA-111 Installations- Und Bedienungsanleitungen

3.5 Physical and chemical data of chlorine

Under normal conditions of pressure and temperature, chlorine is
a yellowish green gas with a pungent odour, which exists as Cl
molecule.
It is not flammable, but can promote the flammability of metals,
hydrocarbons, etc.
Atomic weight
Molecular weight Cl
2
Density (liquid)
Density (gas)
1 litre of liquid chlorine at 0 °C
1 kg of liquid chlorine at 0 °C
Specific gravity
Boiling point
Melting point
Evaporation heat
Heat conductivity
Degree of purity according to
DIN19607
TLV (Threshold Limit Value)
Pressure [bar]
20
16
12
8
4
0
-30 0
-50 -10
Fig. 7 Vapour pressure curve of chlorine
Solution [g/l]
14
10
6
2
0
10 30
Fig. 8 Solubility of chlorine gas in water
35.457 u
70.941 u
3
1.57 g/cm at -34.05 °C
3.214 g/l at 0 °C, 1 bar
is equivalent to 457 litres
3
(0.457 m ) of chlorine gas
is equivalent to 311 litres
3
(0.311 m ) of chlorine gas
2.486 (specific gravity of air: 1)
-34.05 °C (1 bar)
-101.5 °C
269 kJ/kg (at 0 °C)
2
0.527 kJ/m h
(liquid chlorine)
99.5 %
3
1.5 mg/m (0.5 ppmv)
10 30 50 70
Temperature [°C]
50 70 90
Temperature [°C]
2
11